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LTC3805IDD#PBF - Analog Devices

Description: Adjustable Frequency Current Mode Flyback DC/DC Controller

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PCB Footprints
LTC3805IDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1699 Rev C) H 0.8mm
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3D Models
LTC3805IDD#PBF - Analog Devices  - 3D model - Small Outline No-lead - DD Package 10-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1699 Rev C) H 0.8mm
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LTC3805IDD#PBF Details

  • Manufacturer Part Number:

    LTC3805IDD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1699

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    9 V

  • Input Voltage-Min:

    4.15 V

  • Input Voltage-Nom:

    8 V

  • JESD-30 Code:

    S-PDSO-N10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.09 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    700 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3 mm

LTC3805IDD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3805IDD#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise and interference.
  • The choice of input and output capacitors for the LTC3805IDD#PBF depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. For the input capacitor, a value of 10uF to 22uF is typical, while for the output capacitor, a value of 22uF to 47uF is typical. The capacitor voltage rating should be at least 1.5 times the maximum input voltage.
  • The maximum ambient temperature range for the LTC3805IDD#PBF is -40°C to 125°C. However, the device can operate up to 150°C with derating. It's essential to ensure that the device is operated within the recommended temperature range to ensure reliability and performance.
  • To troubleshoot issues with the LTC3805IDD#PBF, start by checking the PCB layout and ensuring that it meets the recommended layout guidelines. Verify that the input and output capacitors are properly selected and installed. Check for any signs of overheating, and ensure that the device is operated within the recommended temperature range. Use an oscilloscope to monitor the input and output waveforms, and check for any signs of oscillation or instability.
  • Yes, the LTC3805IDD#PBF is suitable for use in high-reliability or aerospace applications. The device is built with high-reliability materials and manufacturing processes, and it meets the requirements of various industry standards, including MIL-STD-883 and AEC-Q100. However, it's essential to follow the recommended design and layout guidelines, and to perform thorough testing and validation to ensure the device meets the specific requirements of the application.

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LTC3805IDD#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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